Electrophoresis analyzer with wavelength selective detection

Details Electrophoresis analyzer with wavelength selective detection Electrophoresis analyzer with wavelength selective detection

1994-03-30

1996-07-09

Fields, Carolyn E.

Radiant energy

Luminophor irradiation

356344, G01N 2726, G01N 2164

Patent

active

055347037

ABSTRACT:
An electrophoresis analyzer includes a light detector for detecting images of a linear fluorescence emitting region, the linear fluorescence emitting region including a plurality of fluorescence emitting points disposed along a straight line, each of the fluorescence emitting points being a point at which samples emit light including a plurality of wavelengths, the light detector including a line sensor, the line sensor including a plurality of photopixels disposed along a straight line, the photopixels constituting a detection surface of the line sensor, an image forming unit for receiving the light emitted by the samples at the fluorescence emitting points and forming a plurality of images of each of the fluorescence emitting points on the detection surface of the line sensor at mutually different positions disposed at a predetermined interval along the straight line along which the photopixels are disposed, and a filter unit disposed between the linear fluorescence emitting region and the light detector for selectively filtering the light emitted by the samples at the fluorescence emitting points such that the images of each of the fluorescence emitting points are formed by light including mutually different ones of the wavelengths.

REFERENCES:
patent: 5062942 (1991-11-01), Kambara et al.
patent: 5162654 (1992-11-01), Kostichka et al.
patent: 5277780 (1994-01-01), Kambara
patent: 5290419 (1994-03-01), Kambara et al.
patent: 5307148 (1994-04-01), Kambara et al.
Smith et al., "Fluorescence Detection in Automated DNA Sequence Analysis", Nature, vol. 321, No. 12, Jun. 1986, pp. 674-679.

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